Miniature Infrared Methane Sensor KGD-SJH-210

Certification:CE
Model Number:KGD-SJH-210
Minimum Order Quantity:1PCS
Delivery Time:5-8 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Place of Origin:CHINA
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Address: i City, No11, TangYan South road, Yanta District, Xi'an,Shaanxi,China.
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Product Details

Miniature Infrared Methane Sensor KGD-SJH-210


Product Introduction

The Miniature Infrared Methane Sensor KGD-SJH-210 is an industrial-grade gas sensor used for real-time measurement of changes in gas concentration. It adopts the Non-Dispersive Infrared (NDIR) detection technology. Compared with the thermal catalytic and semiconductor principles, it has remarkable features and advantages such as a good signal-to-noise ratio, strong selectivity, immunity to cross-gas interference, high precision, excellent long-term stability, and a long service life. The sensor is compatible with both analog voltage and digital serial port outputs, meeting various usage requirements in industrial sites, laboratory measurements, etc., and is widely applied in fields such as coal mines, fire protection, urban utility tunnels, underground chambers, and pressure regulating cabinets.

Product Features

  • Wide operating temperature range from -40℃ to 70℃
  • Multiple measurement ranges are optional, full-range linearization, and digital output
  • Ensures detection accuracy across the entire temperature and concentration range
  • Abnormal alarm outputs such as high humidity alarms
  • Resistance to interference from acetic acid and ethanol gases
  • Self-calibration is optional
  • Dustproof and waterproof with an IP64 rating
  • Fast response and good stability
  • Meets the explosion-proof rating of Ex ia IIC T4 Ga, and the explosion-proof certificate number is CITCEx21.0902U

Technical Parameters

Measurement Range0-5%Vol,0-100% Vol
Accuracy0-1%: ≤±0.06%Vol 1%-100%:≤±6% of reading
Resolution0.01%
Warm-up Time10s
Response Time<25s
Operating Temperature-40-70℃
Storage Temperature-40-85℃
Operating Humidity0 to 95% Relative Humidity (RH), non-condensing
Operating Voltage3.3 Volts to 5.5 Volts
Average Operating Current55 to 60 milliamps (powered by 5 Volts)
Operating Pulse Current360 to 400 milliamps (powered by 5 Volts)
Output ModeUART-TTL (2.5 to 3.3 Volts) / DA output (0.4 to 2 Volts)
DimensionsΦ2019/Φ2016.6 (millimeters) (excluding pins)
Shell MaterialStainless steel
WeightLess than 20 grams
Service Life≥ 10 years
Explosion-proof RatingEx ia IIC T4 Ga, and the explosion-proof certificate number is CITCEx21.0902U
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Miniature Infrared Methane Sensor KGD-SJH-210

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